Home / 90,209.08-135,333.56-27,026.64

Finding the Fourth Proportional to 90,209.08, 135,333.56 and 27,026.64

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Solution

The fourth proportional to 90,209.08, 135,333.56 and 27,026.64 is: 40,545.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,209.08 : 135,333.56 = 27,026.64 : x
  2. Step 2: Convert to fraction form
    90,209.08/135,333.56 = 27,026.64/x
  3. Step 3: Cross multiply
    90,209.08x = 135,333.56 × 27,026.64
  4. Step 4: Simplify right side
    90,209.08x = 3,657,611,406.04
  5. Step 5: Solve for x
    x = 3,657,611,406.04/90,209.08
  6. Step 6: Final answer
    x = 40,545.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.